Islamic boarding school’s student must have an entrepreneurial character in order to create a business opportunity when plunging into the society. The entrepreneurial character of Islamic boarding school’s student can be formed in many ways; one of them is through cooperative boarding school or called as Kopontren. Kopontren is a cooperative in the boarding school. Kopontren as a place for the students to learn about entrepreneurship directly and the application of economic activity in accordance with Islamic law. With entrepreneurship education is expected to equip students with various abilities in accordance with the demands of the times.

The purposes of this research are: (1) to describe the management of Islamic boarding school’s cooperative in Islamic Boarding School Al-Yasini Pasuruan. (2) To determine how the entrepreneurial character formation of Islamic boarding school’s student through the Islamic boarding school’s cooperative in Islamic Boarding School Al-Yasini Pasuruan. (3) To know the real form or the result of the formation of entrepreneurial character through the Islamic boarding school’s cooperative in Islamic boarding school Al-Yasini Pasuruan. This research used qualitative approach. The key instrument is own researches and data collection techniques are observation, interview, documentation and combination /triangulation. Data were analyzed by reducing irrelevant data, display data and drawing conclusions.

Research in Islamic boarding school Al-Yasini Pasuruan shows that, (1) The management of cooperative boarding school Al-Yasini performed by an organizational structure that has been agreed and cooperatives that exist mostly run by senior of Islamic boarding school’s student and the rest is taken from the outside community of Islamic boarding school, (2) The formation of the entrepreneurial character of students through kopontren in Al-Yasini done in several ways including: seminars on entrepreneurship, dedication of students to the hut through the small, and then HIPSI or Businessmen's Association Islamic, as well as learning about muamalah, they are trained in advance the interests and talents. (3) Through the Islamic boarding school’s cooperative of Al-Yasini, students become interested in entrepreneurship. We can know it from the number of senior students who are interested to join Islamic boarding school’s cooperative of Al-Yasini.